#include <sys/types.h>
#include <sys/wait.h>
#include "../ourhdr.h"

char *env_init[] = {
    "USER=unknown", "PATH=/tmp", NULL
};

int main(void)
{
    pid_t pid;
    if((pid=fork())<0)
    {
        err_sys("fork error");
    }
    else if(pid==0)
    {
        if(execle("/Users/zhaofeng/c/git/unix-c/08/echoall.cmd",
            "echoall","myarg1","MY ARG2", (char * )0, 
            env_init)<0)
        {
            err_sys("execle error");
        }
    }
    if(waitpid(pid,NULL,0)<0)
    {
        err_sys("wait error");
    }
    if((pid=fork())<0)
    {
        err_sys("fork error");
    }
    else if(pid==0)
    {
        if(execlp("/Users/zhaofeng/c/git/unix-c/08/echoall.cmd",
            "echoall","only 1 arg", (char*)0)<0)
        {
            err_sys("execlp error");
        }
    }
    exit(0);
}